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&#160;<span id="projectnumber">1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C.</div>
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<p><a href="https://projecteuler.net/problem=7">Problem 7</a> solution.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
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Include dependency graph for sol.c:</div>
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Functions</h2></td></tr>
<tr class="memitem:a840291bc02cba5474a4cb46a9b9566fe"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d2f/problem__7_2sol_8c.html#a840291bc02cba5474a4cb46a9b9566fe">main</a> (void)</td></tr>
<tr class="memdesc:a840291bc02cba5474a4cb46a9b9566fe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <a href="../../d1/d2f/problem__7_2sol_8c.html#a840291bc02cba5474a4cb46a9b9566fe">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://projecteuler.net/problem=7">Problem 7</a> solution. </p>
<dl class="section see"><dt>See also</dt><dd>Another version: <a class="el" href="../../d6/d64/problem__7_2sol2_8c.html" title="Problem 7 solution.">problem_7/sol2.c</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a840291bc02cba5474a4cb46a9b9566fe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a840291bc02cba5474a4cb46a9b9566fe">&#9670;&nbsp;</a></span>main()</h2>
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<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Main function. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<div class="fragment"><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;{</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="keywordtype">char</span> *sieve;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keywordtype">unsigned</span> <a class="code" href="../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a">count</a> = 0;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="keywordtype">size_t</span> n = 1000000;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> target = 10001;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; sieve = (<span class="keywordtype">char</span> *)calloc(n, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>));</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordflow">for</span> (i = 2; i &lt; n; i++)</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; {</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordflow">if</span> (!sieve[i])</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordtype">size_t</span> j;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <a class="code" href="../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a">count</a>++;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a">count</a> == target)</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; printf(<span class="stringliteral">&quot;%lu\n&quot;</span>, i);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; }</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">for</span> (j = i * 2; j &lt; n; j += i)</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; sieve[j] = 1;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; free(sieve);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;}</div>
<div class="ttc" id="agroup__misc_html_ga6f8e8c9d25b5891d57e588d80d75028a"><div class="ttname"><a href="../../d1/ded/group__misc.html#ga6f8e8c9d25b5891d57e588d80d75028a">count</a></div><div class="ttdeci">int count(int *arr, const int size)</div><div class="ttdoc">Count func counts the number of prime numbers.</div><div class="ttdef"><b>Definition:</b> prime_seive.c:42</div></div>
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